Foot sock



FIG. 1. is a bottom perspective view of a foot sock, showing our new design;

FIG. 2. is a front side view thereof;

FIG. 3. is a rear side view thereof;

FIG. 4. is a left side view thereof;

FIG. 5. is a right side view thereof;

FIG. 6. is a top view thereof; and,

FIG. 7. is a bottom view thereof.

The broken lines depicting an upper region of the foot sock in FIGS. 1-6 form no part of the claim. 

CLAIM The ornamental design for a foot sock, as shown and described. 